#VU64642 Buffer overflow in IBM DB2 - CVE-2020-4204

Vulnerability identifier: #VU64642

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-4204

CWE-ID: CWE-119

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
IBM DB2
Server applications / Database software

Vendor: IBM Corporation

Description

The vulnerability allows a local attacker to execute arbitrary code on the system with root privileges.

The vulnerability exists due to improper bounds checking. A local attacker can trigger the vulnerability and execute arbitrary code on the system with root privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

IBM DB2: 9.7 - 9.7.0.10, 10.1 - 10.1.0.5, 10.5 - 10.5.0.10, 11.1 FP1 - 11.1 FP3, 11.5

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External links
https://exchange.xforce.ibmcloud.com/vulnerabilities/174960
https://www.ibm.com/support/pages/node/2875875

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.